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Finding the Fourth Proportional to 625,028.76, 937,609.02 and 204,303.96

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Solution

The fourth proportional to 625,028.76, 937,609.02 and 204,303.96 is: 306,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,028.76 : 937,609.02 = 204,303.96 : x
  2. Step 2: Convert to fraction form
    625,028.76/937,609.02 = 204,303.96/x
  3. Step 3: Cross multiply
    625,028.76x = 937,609.02 × 204,303.96
  4. Step 4: Simplify right side
    625,028.76x = 191,557,235,717.72
  5. Step 5: Solve for x
    x = 191,557,235,717.72/625,028.76
  6. Step 6: Final answer
    x = 306,477.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.